<form id="search-form" action="{{ search_form_action }}" method="get" class="navbar-form navbar-left" role="search">
  <div class="form-group">
    <input type="text" class="form-control" id="search-box" value="{{ search_query }}" name="query" placeholder="Znajdź lokalizację..." />
  </div>
  <button type="submit" class="btn btn-default">Szukaj</button>
</form>